<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
	</head>
	<body>
		<div id="app">
			<input type="text" v-model="num1"/>
			+
			<input type="text" v-model="num2"/>
			<button v-on:click="add">=</button>
			<input type="text" v-model="result"/>
		</div>
		<script>
			var app = Vue.createApp ({
					data() {
						return {
						    num1='',
							num2='',
							result=''
						}
					},
					methods:{
						add:function()
						{
							console.log("执行加法")
							var x = parseInt(this.num1)
							var y = parseInt(this.num2)
							var z = x+y;
							this.result = z;
						}
					}
			});
			var vm = app.mount("#app")
		</script>

	</body>
</html>
